{"product_id":"gacoflex-a4271-bleed-trap-base-coat-for-felt-asphalt-roofs-18-9-litres","title":"GacoFlex A4271 Bleed Trap Base Coat for Felt \u0026 Asphalt Roofs – 18.9 Litres","description":"\u003cp\u003eHelp prevent bitumen staining through your silicone roof coating with GacoFlex A4271 Bleed Trap Base Coat. Designed for use on suitable felt, asphalt and other bituminous roof surfaces, this water-based acrylic sealer forms a protective base layer before applying GacoFlex S42 Silicone Roof Coating.\u003c\/p\u003e\n\u003cp\u003eBituminous roof coverings can release oils that migrate through a coating and discolour its finish. GacoFlex A4271 encapsulates these oils within the base coat, helping to prevent bleed-through into the GacoFlex silicone topcoat.\u003c\/p\u003e\n\u003cp\u003eSupplied in an 18.9 litre pail, this single-component base coat is easy to apply. Its red colour makes treated areas clearly visible, helping you check coverage before applying the next layer of the roofing system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHelps prevent bitumen bleed-through – isolates oils that can stain the silicone topcoat.\u003c\/li\u003e\n\u003cli\u003eWater-based acrylic formulation – designed for use on suitable bituminous roofing surfaces.\u003c\/li\u003e\n\u003cli\u003eSingle-component product – no separate hardener required.\u003c\/li\u003e\n\u003cli\u003eRed finish – makes coverage easy to see during application.\u003c\/li\u003e\n\u003cli\u003eGood adhesion – adheres well to suitable modified bitumen and asphaltic surfaces.\u003c\/li\u003e\n\u003cli\u003ePart of the GacoFlex roofing system – used as a base coat beneath GacoFlex S42 Silicone Roof Coating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable Applications: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGacoFlex A4271 Bleed Trap is suitable for use on correctly prepared:\u003c\/li\u003e\n\u003cli\u003eBuilt-up felt roofing.\u003c\/li\u003e\n\u003cli\u003eModified bitumen membranes, including torch-on felt.\u003c\/li\u003e\n\u003cli\u003eSmooth asphaltic membranes.\u003c\/li\u003e\n\u003cli\u003eGranulated asphaltic membranes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot intended for gravel-surfaced roofs. Always carry out an adhesion test before application.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePail Size and Coverage:\u003c\/li\u003e\n\u003cli\u003eProduct - GacoFlex A4271 Bleed Trap Base Coat.\u003c\/li\u003e\n\u003cli\u003eType - Water-based acrylic sealer.\u003c\/li\u003e\n\u003cli\u003ePail size - 18.9 litres.\u003c\/li\u003e\n\u003cli\u003eColour - Red.\u003c\/li\u003e\n\u003cli\u003eApproximate coverage - 46m² per pail.\u003c\/li\u003e\n\u003cli\u003eMinimum application temperature - 10°C and rising.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCoverage is approximate and will vary depending on surface texture, porosity, condition and application losses. Allow for upstands and other roof details when calculating quantities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePreparation and Application\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe roof surface must be sound, clean and suitably prepared in accordance with the manufacturer’s instructions. Carry out an adhesion test to confirm compatibility with the existing roof covering.\u003c\/p\u003e\n\u003cp\u003eApply only when the temperature is 10°C and rising, following the current technical data sheet for application rates, weather conditions and drying requirements before overcoating.\u003c\/p\u003e\n\u003cp\u003eOrder GacoFlex A4271 Bleed Trap Base Coat from All Flat Roofing Supplies, with UK-wide delivery.\u003c\/p\u003e","brand":"Gaco","offers":[{"title":"Default Title","offer_id":57608478687558,"sku":"A4271-5","price":206.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0572\/1670\/files\/GacoFlexA4271BleedTrap.jpg?v=1792145971","url":"https:\/\/flatroofingsystems.co.uk\/products\/gacoflex-a4271-bleed-trap-base-coat-for-felt-asphalt-roofs-18-9-litres","provider":"Flat Roofing Systems","version":"1.0","type":"link"}